Ubuntu
alsa-driver package

  1. Bug #1487168
  2. Comment #23

Comment 23 for bug 1487168

Revision history for this message
Raymond (superquad-vortex2) wrote : Re: [Emulated AD1980 AC97 inside Virualbox 5.0, playback] volume slider problem

if you compare the amixer output of real ad1980 and emulated ad1980

the emulated ad1980 did not implement Master Playback Volume

Card hw:2 'ICH6'/'Intel ICH6 with AD1980 at irq 23'
   Mixer name : 'Analog Devices AD1980'
   Components : 'AC97a:41445370'
   Controls : 40
   Simple ctrls : 29
 Simple mixer control 'Master',0
   Capabilities: pvolume pswitch penum
   Playback channels: Front Left - Front Right
   Limits: Playback 0 - 31
   Mono:
   Front Left: Playback 27 [87%] [-6.00dB] [on]
   Front Right: Playback 27 [87%] [-6.00dB] [on]
Simple mixer control 'Master Mono',0
   Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
   Playback channels: Mono
   Limits: Playback 0 - 31
   Mono: Playback 23 [74%] [-12.00dB] [on]

Card hw:0 'I82801AAICH'/'Intel 82801AA-ICH with AD1980 at irq 21'
  Mixer name : 'Analog Devices AD1980'
  Components : 'AC97a:41445370'
  Controls : 46
  Simple ctrls : 32
Simple mixer control 'Master Mono',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 63
  Mono:
  Front Left: Playback 0 [0%] [-94.50dB] [off]
  Front Right: Playback 0 [0%] [-94.50dB] [off]